| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Amadores | city | Tamaulipas | Mexico | 22.83 | -99.69 | 3435 | 894 |
| Amalia G. de Castillo Ledon | city | Tamaulipas | Mexico | 23.71 | -99.16 | 1249 | 79795 |
| Amalia Solorzano | city | Tamaulipas | Mexico | 22.72 | -98.20 | 213 | 382 |
| Amaro | city | Tamaulipas | Mexico | 23.19 | -98.71 | 830 | 894 |
| America | city | Tamaulipas | Mexico | 27.33 | -99.59 | 830 | 47831 |
| America de Juarez | city | Tamaulipas | Mexico | 23.73 | -99.17 | 1204 | 87958 |
| Americo Villarreal | city | Tamaulipas | Mexico | 23.72 | -99.18 | 1197 | 83327 |
| Amoladeros | city | Tamaulipas | Mexico | 23.32 | -98.63 | 1669 | 438 |
| Amor y Paz | city | Tamaulipas | Mexico | 23.99 | -97.93 | 170 | 447 |
| Ampliacion Alianza Agraria | city | Tamaulipas | Mexico | 22.95 | -98.80 | 334 | 1020 |
| Ampliacion Benito Juarez | city | Tamaulipas | Mexico | 22.85 | -98.94 | 193 | 9526 |
| Ampliacion Carrizal Segundo | city | Tamaulipas | Mexico | 22.78 | -98.26 | 213 | 498 |
| Ampliacion Ignacio Manuel Altamirano | city | Tamaulipas | Mexico | 22.80 | -98.86 | 160 | 9786 |
| Ampliacion Ignacio Manuel Altamirano | city | Tamaulipas | Mexico | 22.84 | -98.85 | 190 | 4870 |
| Ampliacion Mante | city | Tamaulipas | Mexico | 22.70 | -98.88 | 223 | 5933 |
| Ampliacion Melchor Ocampo | city | Tamaulipas | Mexico | 22.90 | -98.91 | 255 | 3046 |
| Ampliacion Moctezuma | city | Tamaulipas | Mexico | 22.95 | -98.96 | 272 | 7209 |
| Ampliacion San Miguel de la Mora | city | Tamaulipas | Mexico | 22.83 | -98.91 | 187 | 12563 |
| Ampliacion el Refugio | city | Tamaulipas | Mexico | 23.87 | -99.11 | 830 | 11708 |
| Ampliacion la Carreta | city | Tamaulipas | Mexico | 25.10 | -98.10 | 98 | 596 |
| Ampliacion la Loma | city | Tamaulipas | Mexico | 25.08 | -98.07 | 75 | 596 |
| Ampliacion la Penita | city | Tamaulipas | Mexico | 23.17 | -98.72 | 830 | 894 |
| Ampliacion las Palmas | city | Tamaulipas | Mexico | 22.79 | -99.01 | 216 | 21326 |
| Ampliación Alianza Agraria | city | Tamaulipas | Mexico | 22.88 | -98.93 | 216 | 5277 |
| Ampliación Benito Juárez | city | Tamaulipas | Mexico | 22.97 | -98.94 | 291 | 7559 |
| Ampliación Melchor Ocampo | city | Tamaulipas | Mexico | 22.94 | -98.97 | 255 | 7111 |
| Ampliación Reforma | city | Tamaulipas | Mexico | 22.47 | -99.23 | 944 | 1633 |
| Ampliación Río Bravo | city | Tamaulipas | Mexico | 25.94 | -98.14 | 101 | 17221 |
| Ampliación San Antonio | city | Tamaulipas | Mexico | 22.69 | -98.17 | 206 | 455 |
| Ampliación San Germán | city | Tamaulipas | Mexico | 25.09 | -98.05 | 65 | 596 |
| Ampliación el Plátano | city | Tamaulipas | Mexico | 22.68 | -98.18 | 193 | 542 |
| Ampliación la Esperanza | city | Tamaulipas | Mexico | 23.64 | -98.36 | 994 | 447 |
| Ampliación la Gloria | city | Tamaulipas | Mexico | 22.86 | -98.93 | 213 | 7372 |
| Ampliación las Minas | city | Tamaulipas | Mexico | 23.07 | -98.63 | 830 | 894 |
| Ampliación Úrsulo Galván | city | Tamaulipas | Mexico | 22.80 | -98.30 | 278 | 605 |
| América | city | Tamaulipas | Mexico | 25.06 | -98.07 | 78 | 596 |
| América | city | Tamaulipas | Mexico | 27.44 | -99.55 | 830 | 80508 |
| América del Norte | city | Tamaulipas | Mexico | 24.45 | -98.00 | 131 | 596 |
| Américo Villarreal Guerra | city | Tamaulipas | Mexico | 22.92 | -99.13 | 311 | 1490 |